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-rw-r--r--disk-utils/isosize.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/disk-utils/isosize.c b/disk-utils/isosize.c
index 5030a50b1..43569ae71 100644
--- a/disk-utils/isosize.c
+++ b/disk-utils/isosize.c
@@ -169,6 +169,10 @@ static void __attribute__((__noreturn__)) usage(FILE *out)
fprintf(out,
_(" %s [options] <iso9660_image_file>\n"),
program_invocation_short_name);
+
+ fputs(USAGE_SEPARATOR, out);
+ fputs(_("Show the length of an ISO-9660 filesystem.\n"), out);
+
fputs(USAGE_OPTIONS, out);
fputs(_(" -d, --divisor=<number> divide the amount of bytes by <number>\n"), out);
fputs(_(" -x, --sectors show sector count and size\n"), out);